740325991 has 2 divisors, whose sum is σ = 740325992. Its totient is φ = 740325990.

The previous prime is 740325983. The next prime is 740326003. The reversal of 740325991 is 199523047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740325991 - 2³ = 740325983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740325961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370162995 + 370162996.

It is an arithmetic number, because the mean of its divisors is an integer number (370162996).

Almost surely, 2^740325991 is an apocalyptic number.

740325991 is a deficient number, since it is larger than the sum of its proper divisors (1).

740325991 is an equidigital number, since it uses as much as digits as its factorization.

740325991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 740325991 is about 27208.9321914698. The cubic root of 740325991 is about 904.6369700705.

The spelling of 740325991 in words is "seven hundred forty million, three hundred twenty-five thousand, nine hundred ninety-one".