742394258 has 32 divisors (see below), whose sum is σ = 1220356800. Its totient is φ = 337369536.

The previous prime is 742394251. The next prime is 742394329. The reversal of 742394258 is 852493247.

It is a super-2 number, since 2×742394258² = 1102298468622741128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (742394251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177560 + ... + 181692.

It is an arithmetic number, because the mean of its divisors is an integer number (38136150).

Almost surely, 2^742394258 is an apocalyptic number.

742394258 is a deficient number, since it is larger than the sum of its proper divisors (477962542).

742394258 is a wasteful number, since it uses less digits than its factorization.

742394258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346.

The product of its digits is 483840, while the sum is 44.

The square root of 742394258 is about 27246.9128159504. The cubic root of 742394258 is about 905.4786223213.

The spelling of 742394258 in words is "seven hundred forty-two million, three hundred ninety-four thousand, two hundred fifty-eight".