75136475 has 6 divisors (see below), whose sum is σ = 93169260. Its totient is φ = 60109160.

The previous prime is 75136471. The next prime is 75136493. The reversal of 75136475 is 57463157.

It is not a de Polignac number, because 75136475 - 2² = 75136471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75136471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502705 + ... + 1502754.

It is an arithmetic number, because the mean of its divisors is an integer number (15528210).

Almost surely, 2^75136475 is an apocalyptic number.

75136475 is a deficient number, since it is larger than the sum of its proper divisors (18032785).

75136475 is a wasteful number, since it uses less digits than its factorization.

75136475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005469 (or 3005464 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 75136475 is about 8668.1298444359. The cubic root of 75136475 is about 421.9719720385.

The spelling of 75136475 in words is "seventy-five million, one hundred thirty-six thousand, four hundred seventy-five".