742307572 has 12 divisors (see below), whose sum is σ = 1299335940. Its totient is φ = 371068736.

The previous prime is 742307569. The next prime is 742307591. The reversal of 742307572 is 275703247.

It can be written as a sum of positive squares in 2 ways, for example, as 412739856 + 329567716 = 20316^2 + 18154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 38542.

It is an arithmetic number, because the mean of its divisors is an integer number (108277995).

Almost surely, 2^742307572 is an apocalyptic number.

It is an amenable number.

742307572 is a deficient number, since it is larger than the sum of its proper divisors (557028368).

742307572 is a wasteful number, since it uses less digits than its factorization.

742307572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42530 (or 42528 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 742307572 is about 27245.3220204864. The cubic root of 742307572 is about 905.4433780764.

The spelling of 742307572 in words is "seven hundred forty-two million, three hundred seven thousand, five hundred seventy-two".