742521960 has 48 divisors (see below), whose sum is σ = 2413197540. Its totient is φ = 198005760.

The previous prime is 742521947. The next prime is 742521991. The reversal of 742521960 is 69125247.

742521960 is a `hidden beast` number, since 7 + 42 + 521 + 96 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 619711236 + 122810724 = 24894^2 + 11082^2 .

It is a super-2 number, since 2×742521960² = 1102677722164483200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030921 + ... + 1031640.

Almost surely, 2^742521960 is an apocalyptic number.

It is an amenable number.

742521960 is an abundant number, since it is smaller than the sum of its proper divisors (1670675580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742521960 is a wasteful number, since it uses less digits than its factorization.

742521960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062578 (or 2062571 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 742521960 is about 27249.2561366361. The cubic root of 742521960 is about 905.5305375942.

The spelling of 742521960 in words is "seven hundred forty-two million, five hundred twenty-one thousand, nine hundred sixty".