742660534 has 32 divisors (see below), whose sum is σ = 1391314176. Its totient is φ = 288839520.

The previous prime is 742660519. The next prime is 742660537. The reversal of 742660534 is 435066247.

It is a super-2 number, since 2×742660534² = 1103089337522330312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742660493 and 742660502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742660537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90469 + ... + 98335.

It is an arithmetic number, because the mean of its divisors is an integer number (43478568).

Almost surely, 2^742660534 is an apocalyptic number.

742660534 is a deficient number, since it is larger than the sum of its proper divisors (648653642).

742660534 is a wasteful number, since it uses less digits than its factorization.

742660534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 742660534 is about 27251.7987296252. The cubic root of 742660534 is about 905.5868659769.

The spelling of 742660534 in words is "seven hundred forty-two million, six hundred sixty thousand, five hundred thirty-four".