72253148 has 12 divisors (see below), whose sum is σ = 137937912. Its totient is φ = 32842320.

The previous prime is 72253133. The next prime is 72253183. The reversal of 72253148 is 84135227.

It is a super-3 number, since 3×72253148³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 821015 + ... + 821102.

It is an arithmetic number, because the mean of its divisors is an integer number (11494826).

Almost surely, 2^72253148 is an apocalyptic number.

It is an amenable number.

72253148 is a deficient number, since it is larger than the sum of its proper divisors (65684764).

72253148 is a wasteful number, since it uses less digits than its factorization.

72253148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642132 (or 1642130 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 72253148 is about 8500.1851744536. The cubic root of 72253148 is about 416.5037582521.

The spelling of 72253148 in words is "seventy-two million, two hundred fifty-three thousand, one hundred forty-eight".