72287254 has 16 divisors (see below), whose sum is σ = 117909792. Its totient is φ = 33038208.

The previous prime is 72287251. The next prime is 72287261. The reversal of 72287254 is 45278227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72287251) 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, 10819 + ... + 16174.

It is an arithmetic number, because the mean of its divisors is an integer number (7369362).

Almost surely, 2^72287254 is an apocalyptic number.

72287254 is a deficient number, since it is larger than the sum of its proper divisors (45622538).

72287254 is a wasteful number, since it uses less digits than its factorization.

72287254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27111.

The product of its digits is 62720, while the sum is 37.

The square root of 72287254 is about 8502.1911293501. The cubic root of 72287254 is about 416.5692826988.

The spelling of 72287254 in words is "seventy-two million, two hundred eighty-seven thousand, two hundred fifty-four".