72742555035 has 40 divisors (see below), whose sum is σ = 131349674016. Its totient is φ = 38512817280.

The previous prime is 72742554971. The next prime is 72742555049. The reversal of 72742555035 is 53055524727.

72742555035 is a `hidden beast` number, since 7 + 2 + 74 + 25 + 550 + 3 + 5 = 666.

It is not a de Polignac number, because 72742555035 - 2⁶ = 72742554971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 600031 + ... + 711000.

Almost surely, 2^72742555035 is an apocalyptic number.

72742555035 is a deficient number, since it is larger than the sum of its proper divisors (58607118981).

72742555035 is a wasteful number, since it uses less digits than its factorization.

72742555035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311185 (or 1311176 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 72742555035 in words is "seventy-two billion, seven hundred forty-two million, five hundred fifty-five thousand, thirty-five".