73137452 has 12 divisors (see below), whose sum is σ = 130714080. Its totient is φ = 35790576.

The previous prime is 73137443. The next prime is 73137457. The reversal of 73137452 is 25473137.

It is not an unprimeable number, because it can be changed into a prime (73137457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194327 + ... + 194702.

It is an arithmetic number, because the mean of its divisors is an integer number (10892840).

Almost surely, 2^73137452 is an apocalyptic number.

It is an amenable number.

73137452 is a deficient number, since it is larger than the sum of its proper divisors (57576628).

73137452 is a wasteful number, since it uses less digits than its factorization.

73137452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389080 (or 389078 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 73137452 is about 8552.0437323484. The cubic root of 73137452 is about 418.1960650070.

It can be divided in two parts, 731 and 37452, that added together give a palindrome (38183).

The spelling of 73137452 in words is "seventy-three million, one hundred thirty-seven thousand, four hundred fifty-two".