742426504 has 8 divisors (see below), whose sum is σ = 1392049710. Its totient is φ = 371213248.

The previous prime is 742426459. The next prime is 742426513. The reversal of 742426504 is 405624247.

It can be written as a sum of positive squares in only one way, i.e., 384081604 + 358344900 = 19598^2 + 18930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×742426504² = 1102394227683324032, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 742426504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46401649 + ... + 46401664.

Almost surely, 2^742426504 is an apocalyptic number.

It is an amenable number.

742426504 is a deficient number, since it is larger than the sum of its proper divisors (649623206).

742426504 is a wasteful number, since it uses less digits than its factorization.

742426504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92803319 (or 92803315 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 742426504 is about 27247.5045462883. The cubic root of 742426504 is about 905.4917319956.

The spelling of 742426504 in words is "seven hundred forty-two million, four hundred twenty-six thousand, five hundred four".