75470450 has 24 divisors (see below), whose sum is σ = 153137520. Its totient is φ = 27443600.

The previous prime is 75470431. The next prime is 75470459. The reversal of 75470450 is 5407457.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75470459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68060 + ... + 69159.

It is an arithmetic number, because the mean of its divisors is an integer number (6380730).

Almost surely, 2^75470450 is an apocalyptic number.

75470450 is an abundant number, since it is smaller than the sum of its proper divisors (77667070).

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

75470450 is a wasteful number, since it uses less digits than its factorization.

75470450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137242 (or 137237 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75470450 is about 8687.3730206547. The cubic root of 75470450 is about 422.5962573768.

The spelling of 75470450 in words is "seventy-five million, four hundred seventy thousand, four hundred fifty".