72046472 has 16 divisors (see below), whose sum is σ = 135898560. Its totient is φ = 35806864.

The previous prime is 72046439. The next prime is 72046487. The reversal of 72046472 is 27464027.

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, 25628 + ... + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (8493660).

Almost surely, 2^72046472 is an apocalyptic number.

It is an amenable number.

72046472 is a deficient number, since it is larger than the sum of its proper divisors (63852088).

72046472 is a wasteful number, since it uses less digits than its factorization.

72046472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54100 (or 54096 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 72046472 is about 8488.0193213729. The cubic root of 72046472 is about 416.1062505969.

The spelling of 72046472 in words is "seventy-two million, forty-six thousand, four hundred seventy-two".