75270412 has 24 divisors (see below), whose sum is σ = 150849440. Its totient is φ = 32192640.

The previous prime is 75270389. The next prime is 75270427. The reversal of 75270412 is 21407257.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12664 + ... + 17632.

Almost surely, 2^75270412 is an apocalyptic number.

It is an amenable number.

75270412 is an abundant number, since it is smaller than the sum of its proper divisors (75579028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75270412 is a wasteful number, since it uses less digits than its factorization.

75270412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 75270412 is about 8675.8522347952. The cubic root of 75270412 is about 422.2225565505. Note that the first 3 decimals are identical.

Adding to 75270412 its reverse (21407257), we get a palindrome (96677669).

The spelling of 75270412 in words is "seventy-five million, two hundred seventy thousand, four hundred twelve".