75400412 has 6 divisors (see below), whose sum is σ = 131950728. Its totient is φ = 37700204.

The previous prime is 75400399. The next prime is 75400421. The reversal of 75400412 is 21400457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9425048 + ... + 9425055.

It is an arithmetic number, because the mean of its divisors is an integer number (21991788).

Almost surely, 2^75400412 is an apocalyptic number.

It is an amenable number.

75400412 is a deficient number, since it is larger than the sum of its proper divisors (56550316).

75400412 is a wasteful number, since it uses less digits than its factorization.

75400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18850107 (or 18850105 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 75400412 is about 8683.3410620567. The cubic root of 75400412 is about 422.4654911534.

Adding to 75400412 its reverse (21400457), we get a palindrome (96800869).

The spelling of 75400412 in words is "seventy-five million, four hundred thousand, four hundred twelve".