72573090 has 16 divisors (see below), whose sum is σ = 174175488. Its totient is φ = 19352816.

The previous prime is 72573089. The next prime is 72573091. The reversal of 72573090 is 9037527.

It is an interprime number because it is at equal distance from previous prime (72573089) and next prime (72573091).

It is not an unprimeable number, because it can be changed into a prime (72573091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209522 + ... + 1209581.

It is an arithmetic number, because the mean of its divisors is an integer number (10885968).

Almost surely, 2^72573090 is an apocalyptic number.

72573090 is an abundant number, since it is smaller than the sum of its proper divisors (101602398).

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

72573090 is a wasteful number, since it uses less digits than its factorization.

72573090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419113.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 72573090 is about 8518.9840943624. The cubic root of 72573090 is about 417.1176223353.

The spelling of 72573090 in words is "seventy-two million, five hundred seventy-three thousand, ninety".