747020140 has 12 divisors (see below), whose sum is σ = 1568742336. Its totient is φ = 298808048.

The previous prime is 747020089. The next prime is 747020143. The reversal of 747020140 is 41020747.

It is not an unprimeable number, because it can be changed into a prime (747020143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18675484 + ... + 18675523.

It is an arithmetic number, because the mean of its divisors is an integer number (130728528).

Almost surely, 2^747020140 is an apocalyptic number.

It is an amenable number.

747020140 is an abundant number, since it is smaller than the sum of its proper divisors (821722196).

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

747020140 is a wasteful number, since it uses less digits than its factorization.

747020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37351016 (or 37351014 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 747020140 is about 27331.6691769822. The cubic root of 747020140 is about 907.3554181807.

Adding to 747020140 its reverse (41020747), we get a palindrome (788040887).

The spelling of 747020140 in words is "seven hundred forty-seven million, twenty thousand, one hundred forty".