742376623 has 16 divisors (see below), whose sum is σ = 775950336. Its totient is φ = 709470720.

The previous prime is 742376611. The next prime is 742376647. The reversal of 742376623 is 326673247.

It is a cyclic number.

It is not a de Polignac number, because 742376623 - 2²¹ = 740279471 is a prime.

It is a super-2 number, since 2×742376623² = 1102246100753768258, which contains 22 as substring.

Its product of digits (254016) is a multiple of the sum of its prime divisors (1134).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742376603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998790 + ... + 999532.

It is an arithmetic number, because the mean of its divisors is an integer number (48496896).

Almost surely, 2^742376623 is an apocalyptic number.

742376623 is a deficient number, since it is larger than the sum of its proper divisors (33573713).

742376623 is a wasteful number, since it uses less digits than its factorization.

742376623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its digits is 254016, while the sum is 40.

The square root of 742376623 is about 27246.5891993842. The cubic root of 742376623 is about 905.4714526169.

The spelling of 742376623 in words is "seven hundred forty-two million, three hundred seventy-six thousand, six hundred twenty-three".