75400023 has 8 divisors (see below), whose sum is σ = 100678000. Its totient is φ = 50194368.

The previous prime is 75400019. The next prime is 75400033. The reversal of 75400023 is 32000457.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75400023 - 2² = 75400019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75400033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15598 + ... + 19851.

It is an arithmetic number, because the mean of its divisors is an integer number (12584750).

Almost surely, 2^75400023 is an apocalyptic number.

75400023 is a deficient number, since it is larger than the sum of its proper divisors (25277977).

75400023 is a wasteful number, since it uses less digits than its factorization.

75400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36161.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 75400023 is about 8683.3186628155. The cubic root of 75400023 is about 422.4647646350.

The spelling of 75400023 in words is "seventy-five million, four hundred thousand, twenty-three".