75137372 has 6 divisors (see below), whose sum is σ = 131490408. Its totient is φ = 37568684.

The previous prime is 75137371. The next prime is 75137401. The reversal of 75137372 is 27373157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75137371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9392168 + ... + 9392175.

It is an arithmetic number, because the mean of its divisors is an integer number (21915068).

Almost surely, 2^75137372 is an apocalyptic number.

It is an amenable number.

75137372 is a deficient number, since it is larger than the sum of its proper divisors (56353036).

75137372 is a wasteful number, since it uses less digits than its factorization.

75137372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18784347 (or 18784345 counting only the distinct ones).

The product of its digits is 30870, while the sum is 35.

The square root of 75137372 is about 8668.1815855461. The cubic root of 75137372 is about 421.9736512378.

The spelling of 75137372 in words is "seventy-five million, one hundred thirty-seven thousand, three hundred seventy-two".