72006392 has 16 divisors (see below), whose sum is σ = 135822960. Its totient is φ = 35786944.

The previous prime is 72006349. The next prime is 72006419. The reversal of 72006392 is 29360027.

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, 25613 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (8488935).

Almost surely, 2^72006392 is an apocalyptic number.

It is an amenable number.

72006392 is a deficient number, since it is larger than the sum of its proper divisors (63816568).

72006392 is a wasteful number, since it uses less digits than its factorization.

72006392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54070 (or 54066 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 72006392 is about 8485.6580180915. The cubic root of 72006392 is about 416.0290752607.

The spelling of 72006392 in words is "seventy-two million, six thousand, three hundred ninety-two".