742386865 has 32 divisors (see below), whose sum is σ = 991440000. Its totient is φ = 529152000.

The previous prime is 742386857. The next prime is 742386899. The reversal of 742386865 is 568683247.

It is not a de Polignac number, because 742386865 - 2³ = 742386857 is a prime.

It is a super-2 number, since 2×742386865² = 1102276514649056450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593761 + ... + 595009.

It is an arithmetic number, because the mean of its divisors is an integer number (30982500).

Almost surely, 2^742386865 is an apocalyptic number.

It is an amenable number.

742386865 is a deficient number, since it is larger than the sum of its proper divisors (249053135).

742386865 is a wasteful number, since it uses less digits than its factorization.

742386865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 1935360, while the sum is 49.

The square root of 742386865 is about 27246.7771488666. Note that the first 3 decimals coincide. The cubic root of 742386865 is about 905.4756166291.

The spelling of 742386865 in words is "seven hundred forty-two million, three hundred eighty-six thousand, eight hundred sixty-five".