72708746 has 8 divisors (see below), whose sum is σ = 118977984. Its totient is φ = 33049420.

The previous prime is 72708731. The next prime is 72708751. The reversal of 72708746 is 64780727.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1652450 + ... + 1652493.

It is an arithmetic number, because the mean of its divisors is an integer number (14872248).

Almost surely, 2^72708746 is an apocalyptic number.

72708746 is a deficient number, since it is larger than the sum of its proper divisors (46269238).

72708746 is a wasteful number, since it uses less digits than its factorization.

72708746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304956.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 72708746 is about 8526.9423593689. The cubic root of 72708746 is about 417.3773572141.

The spelling of 72708746 in words is "seventy-two million, seven hundred eight thousand, seven hundred forty-six".