747322623 has 12 divisors (see below), whose sum is σ = 1095578328. Its totient is φ = 490778640.

The previous prime is 747322613. The next prime is 747322637. The reversal of 747322623 is 326223747.

747322623 is a `hidden beast` number, since 7 + 4 + 7 + 3 + 22 + 623 = 666.

It is not a de Polignac number, because 747322623 - 2¹⁴ = 747306239 is a prime.

It is a super-2 number, since 2×747322623² = 1116982205695200258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747322613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619068 + ... + 620273.

It is an arithmetic number, because the mean of its divisors is an integer number (91298194).

Almost surely, 2^747322623 is an apocalyptic number.

747322623 is a deficient number, since it is larger than the sum of its proper divisors (348255705).

747322623 is a wasteful number, since it uses less digits than its factorization.

747322623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239414 (or 1239411 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 747322623 is about 27337.2021794477. The cubic root of 747322623 is about 907.4778702798.

The spelling of 747322623 in words is "seven hundred forty-seven million, three hundred twenty-two thousand, six hundred twenty-three".