75420192 has 24 divisors (see below), whose sum is σ = 197978256. Its totient is φ = 25140032.

The previous prime is 75420187. The next prime is 75420193. The reversal of 75420192 is 29102457.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×75420192² = 11376410722633728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75420193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392718 + ... + 392909.

It is an arithmetic number, because the mean of its divisors is an integer number (8249094).

Almost surely, 2^75420192 is an apocalyptic number.

It is an amenable number.

75420192 is an abundant number, since it is smaller than the sum of its proper divisors (122558064).

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

75420192 is a wasteful number, since it uses less digits than its factorization.

75420192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785640 (or 785632 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 75420192 is about 8684.4799498876. The cubic root of 75420192 is about 422.5024301063.

The spelling of 75420192 in words is "seventy-five million, four hundred twenty thousand, one hundred ninety-two".