75091401 has 64 divisors (see below), whose sum is σ = 146073600. Its totient is φ = 36936000.

The previous prime is 75091391. The next prime is 75091403. The reversal of 75091401 is 10419057.

It is not a de Polignac number, because 75091401 - 2⁷ = 75091273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (75091403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38551 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (2282400).

Almost surely, 2^75091401 is an apocalyptic number.

It is an amenable number.

75091401 is a deficient number, since it is larger than the sum of its proper divisors (70982199).

75091401 is a wasteful number, since it uses less digits than its factorization.

75091401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 75091401 is about 8665.5294702632. The cubic root of 75091401 is about 421.8875755264.

The spelling of 75091401 in words is "seventy-five million, ninety-one thousand, four hundred one".