740288831 has 2 divisors, whose sum is σ = 740288832. Its totient is φ = 740288830.

The previous prime is 740288797. The next prime is 740288873. The reversal of 740288831 is 138882047.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740288831 is a prime.

It is a super-2 number, since 2×740288831² = 1096055106606693122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740288881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370144415 + 370144416.

It is an arithmetic number, because the mean of its divisors is an integer number (370144416).

Almost surely, 2^740288831 is an apocalyptic number.

740288831 is a deficient number, since it is larger than the sum of its proper divisors (1).

740288831 is an equidigital number, since it uses as much as digits as its factorization.

740288831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 740288831 is about 27208.2493189106. The cubic root of 740288831 is about 904.6218340031.

The spelling of 740288831 in words is "seven hundred forty million, two hundred eighty-eight thousand, eight hundred thirty-one".