742505652 has 36 divisors (see below), whose sum is σ = 2145017056. Its totient is φ = 212144400.

The previous prime is 742505629. The next prime is 742505653. The reversal of 742505652 is 256505247.

742505652 is a `hidden beast` number, since 7 + 42 + 50 + 565 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742505653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472974 + ... + 1473477.

Almost surely, 2^742505652 is an apocalyptic number.

It is an amenable number.

742505652 is an abundant number, since it is smaller than the sum of its proper divisors (1402511404).

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

742505652 is a wasteful number, since it uses less digits than its factorization.

742505652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946468 (or 2946463 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 742505652 is about 27248.9568974667. The cubic root of 742505652 is about 905.5239081606.

The spelling of 742505652 in words is "seven hundred forty-two million, five hundred five thousand, six hundred fifty-two".