742785677632 has 14 divisors (see below), whose sum is σ = 1473965329178. Its totient is φ = 371392838784.

The previous prime is 742785677629. The next prime is 742785677639. The reversal of 742785677632 is 236776587247.

It can be written as a sum of positive squares in only one way, i.e., 487170496576 + 255615181056 = 697976^2 + 505584^2 .

It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 11606026213 = 742785677632 / (7 + 4 + 2 + 7 + 8 + 5 + 6 + 7 + 7 + 6 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742785677639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803013043 + ... + 5803013170.

Almost surely, 2^742785677632 is an apocalyptic number.

It is an amenable number.

742785677632 is a deficient number, since it is larger than the sum of its proper divisors (731179651546).

742785677632 is a wasteful number, since it uses less digits than its factorization.

742785677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11606026225 (or 11606026215 counting only the distinct ones).

The product of its digits is 165957120, while the sum is 64.

The spelling of 742785677632 in words is "seven hundred forty-two billion, seven hundred eighty-five million, six hundred seventy-seven thousand, six hundred thirty-two".