75151408 has 20 divisors (see below), whose sum is σ = 146193768. Its totient is φ = 37424000.

The previous prime is 75151397. The next prime is 75151411. The reversal of 75151408 is 80415157.

It is a self number, because there is not a number n which added to its sum of digits gives 75151408.

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, 5341 + ... + 13372.

Almost surely, 2^75151408 is an apocalyptic number.

It is an amenable number.

75151408 is a deficient number, since it is larger than the sum of its proper divisors (71042360).

75151408 is a wasteful number, since it uses less digits than its factorization.

75151408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972 (or 18966 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 75151408 is about 8668.9911754483. The cubic root of 75151408 is about 421.9999251290. Note that the first 4 decimals are identical.

The spelling of 75151408 in words is "seventy-five million, one hundred fifty-one thousand, four hundred eight".