75464723 has 4 divisors (see below), whose sum is σ = 77305368. Its totient is φ = 73624080.

The previous prime is 75464707. The next prime is 75464729. The reversal of 75464723 is 32746457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32746457 = 23 ⋅1423759.

It is a cyclic number.

It is not a de Polignac number, because 75464723 - 2⁴ = 75464707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75464729) 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, 920261 + ... + 920342.

It is an arithmetic number, because the mean of its divisors is an integer number (19326342).

Almost surely, 2^75464723 is an apocalyptic number.

75464723 is a deficient number, since it is larger than the sum of its proper divisors (1840645).

75464723 is a wasteful number, since it uses less digits than its factorization.

75464723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840644.

The product of its digits is 141120, while the sum is 38.

The square root of 75464723 is about 8687.0433980728. The cubic root of 75464723 is about 422.5855676743.

The spelling of 75464723 in words is "seventy-five million, four hundred sixty-four thousand, seven hundred twenty-three".