72974346 has 8 divisors (see below), whose sum is σ = 145948704. Its totient is φ = 24324780.

The previous prime is 72974339. The next prime is 72974357. The reversal of 72974346 is 64347927.

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

72974346 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72974298 and 72974307.

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, 6081190 + ... + 6081201.

It is an arithmetic number, because the mean of its divisors is an integer number (18243588).

Almost surely, 2^72974346 is an apocalyptic number.

72974346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72974346 is a wasteful number, since it uses less digits than its factorization.

72974346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162396.

The product of its digits is 254016, while the sum is 42.

The square root of 72974346 is about 8542.5023266020. The cubic root of 72974346 is about 417.8849564739.

The spelling of 72974346 in words is "seventy-two million, nine hundred seventy-four thousand, three hundred forty-six".