75722479 has 8 divisors (see below), whose sum is σ = 86699808. Its totient is φ = 64785120.

The previous prime is 75722473. The next prime is 75722483. The reversal of 75722479 is 97422757.

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

It is a cyclic number.

It is not a de Polignac number, because 75722479 - 2⁹ = 75721967 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 (75722473) 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, 5812 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (10837476).

Almost surely, 2^75722479 is an apocalyptic number.

75722479 is a deficient number, since it is larger than the sum of its proper divisors (10977329).

75722479 is a wasteful number, since it uses less digits than its factorization.

75722479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985.

The product of its digits is 246960, while the sum is 43.

The square root of 75722479 is about 8701.8664089953. The cubic root of 75722479 is about 423.0661462506.

The spelling of 75722479 in words is "seventy-five million, seven hundred twenty-two thousand, four hundred seventy-nine".