742765431 has 16 divisors (see below), whose sum is σ = 1010880000. Its totient is φ = 485018688.

The previous prime is 742765403. The next prime is 742765453. The reversal of 742765431 is 134567247.

It is not a de Polignac number, because 742765431 - 2⁶ = 742765367 is a prime.

It is a super-2 number, since 2×742765431² = 1103400970977231522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742765431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742765481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15570 + ... + 41568.

It is an arithmetic number, because the mean of its divisors is an integer number (63180000).

Almost surely, 2^742765431 is an apocalyptic number.

742765431 is a deficient number, since it is larger than the sum of its proper divisors (268114569).

742765431 is a wasteful number, since it uses less digits than its factorization.

742765431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26198.

The product of its digits is 141120, while the sum is 39.

The square root of 742765431 is about 27253.7232502277. The cubic root of 742765431 is about 905.6295004732.

The spelling of 742765431 in words is "seven hundred forty-two million, seven hundred sixty-five thousand, four hundred thirty-one".