72574746 has 16 divisors (see below), whose sum is σ = 145236000. Its totient is φ = 24177168.

The previous prime is 72574687. The next prime is 72574753. The reversal of 72574746 is 64747527.

It is a junction number, because it is equal to n+sod(n) for n = 72574698 and 72574707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13680 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (9077250).

Almost surely, 2^72574746 is an apocalyptic number.

72574746 is an abundant number, since it is smaller than the sum of its proper divisors (72661254).

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

72574746 is a wasteful number, since it uses less digits than its factorization.

72574746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its digits is 329280, while the sum is 42.

The square root of 72574746 is about 8519.0812884958. The cubic root of 72574746 is about 417.1207949599.

The spelling of 72574746 in words is "seventy-two million, five hundred seventy-four thousand, seven hundred forty-six".