75455672 has 8 divisors (see below), whose sum is σ = 141479400. Its totient is φ = 37727832.

The previous prime is 75455657. The next prime is 75455683. The reversal of 75455672 is 27655457.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4715972 + ... + 4715987.

It is an arithmetic number, because the mean of its divisors is an integer number (17684925).

Almost surely, 2^75455672 is an apocalyptic number.

It is an amenable number.

75455672 is a deficient number, since it is larger than the sum of its proper divisors (66023728).

75455672 is a wasteful number, since it uses less digits than its factorization.

75455672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431965 (or 9431961 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 75455672 is about 8686.5224342081. The cubic root of 75455672 is about 422.5686724737.

The spelling of 75455672 in words is "seventy-five million, four hundred fifty-five thousand, six hundred seventy-two".