73137075 has 24 divisors (see below), whose sum is σ = 131914176. Its totient is φ = 35460000.

The previous prime is 73137059. The next prime is 73137083. The reversal of 73137075 is 57073137.

It is not a de Polignac number, because 73137075 - 2⁴ = 73137059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43501 + ... + 45150.

It is an arithmetic number, because the mean of its divisors is an integer number (5496424).

Almost surely, 2^73137075 is an apocalyptic number.

73137075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73137075 is a deficient number, since it is larger than the sum of its proper divisors (58777101).

73137075 is a wasteful number, since it uses less digits than its factorization.

73137075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88675 (or 88670 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 73137075 is about 8552.0216908050. The cubic root of 73137075 is about 418.1953464504.

It can be divided in two parts, 731370 and 75, that added together give a triangular number (731445 = T₁₂₀₉).

The spelling of 73137075 in words is "seventy-three million, one hundred thirty-seven thousand, seventy-five".