75077423 has 4 divisors (see below), whose sum is σ = 79493760. Its totient is φ = 70661088.

The previous prime is 75077419. The next prime is 75077461. The reversal of 75077423 is 32477057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32477057 = 31 ⋅1047647.

It is a cyclic number.

It is not a de Polignac number, because 75077423 - 2² = 75077419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75077623) 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, 2208143 + ... + 2208176.

It is an arithmetic number, because the mean of its divisors is an integer number (19873440).

Almost surely, 2^75077423 is an apocalyptic number.

75077423 is a deficient number, since it is larger than the sum of its proper divisors (4416337).

75077423 is a wasteful number, since it uses less digits than its factorization.

75077423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416336.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 75077423 is about 8664.7229038210. The cubic root of 75077423 is about 421.8613962728.

The spelling of 75077423 in words is "seventy-five million, seventy-seven thousand, four hundred twenty-three".