747680142 has 32 divisors (see below), whose sum is σ = 1643773824. Its totient is φ = 224837600.

The previous prime is 747680137. The next prime is 747680147. The reversal of 747680142 is 241086747.

It is an interprime number because it is at equal distance from previous prime (747680137) and next prime (747680147).

It is a super-2 number, since 2×747680142² = 1118051189482280328, 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 747680142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747680147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34593 + ... + 51884.

It is an arithmetic number, because the mean of its divisors is an integer number (51367932).

Almost surely, 2^747680142 is an apocalyptic number.

747680142 is an abundant number, since it is smaller than the sum of its proper divisors (896093682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747680142 is a wasteful number, since it uses less digits than its factorization.

747680142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86624.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 747680142 is about 27343.7404537126. The cubic root of 747680142 is about 907.6225596223.

The spelling of 747680142 in words is "seven hundred forty-seven million, six hundred eighty thousand, one hundred forty-two".