72563546 has 32 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 30769200.

The previous prime is 72563537. The next prime is 72563567. The reversal of 72563546 is 64536527.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26711 + ... + 29301.

It is an arithmetic number, because the mean of its divisors is an integer number (3965760).

Almost surely, 2^72563546 is an apocalyptic number.

72563546 is a deficient number, since it is larger than the sum of its proper divisors (54340774).

72563546 is a wasteful number, since it uses less digits than its factorization.

72563546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 151200, while the sum is 38.

The square root of 72563546 is about 8518.4239152557. The cubic root of 72563546 is about 417.0993366543.

The spelling of 72563546 in words is "seventy-two million, five hundred sixty-three thousand, five hundred forty-six".