742632631 has 16 divisors (see below), whose sum is σ = 821233728. Its totient is φ = 667180800.

The previous prime is 742632619. The next prime is 742632677. The reversal of 742632631 is 136236247.

It is not a de Polignac number, because 742632631 - 2¹⁹ = 742108343 is a prime.

It is a super-2 number, since 2×742632631² = 1103006449251964322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742632691) 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, 258141 + ... + 261001.

It is an arithmetic number, because the mean of its divisors is an integer number (51327108).

Almost surely, 2^742632631 is an apocalyptic number.

742632631 is a deficient number, since it is larger than the sum of its proper divisors (78601097).

742632631 is a wasteful number, since it uses less digits than its factorization.

742632631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402.

The product of its digits is 36288, while the sum is 34.

The square root of 742632631 is about 27251.2867769579. The cubic root of 742632631 is about 905.5755243631.

Adding to 742632631 its reverse (136236247), we get a palindrome (878868878).

The spelling of 742632631 in words is "seven hundred forty-two million, six hundred thirty-two thousand, six hundred thirty-one".