75404064 has 24 divisors (see below), whose sum is σ = 197935920. Its totient is φ = 25134656.

The previous prime is 75404041. The next prime is 75404071. The reversal of 75404064 is 46040457.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392634 + ... + 392825.

It is an arithmetic number, because the mean of its divisors is an integer number (8247330).

Almost surely, 2^75404064 is an apocalyptic number.

It is an amenable number.

75404064 is an abundant number, since it is smaller than the sum of its proper divisors (122531856).

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

75404064 is a wasteful number, since it uses less digits than its factorization.

75404064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785472 (or 785464 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 75404064 is about 8683.5513472312. The cubic root of 75404064 is about 422.4723117133.

The spelling of 75404064 in words is "seventy-five million, four hundred four thousand, sixty-four".