747489481428 has 48 divisors (see below), whose sum is σ = 1767809111040. Its totient is φ = 245801651424.

The previous prime is 747489481423. The next prime is 747489481499. The reversal of 747489481428 is 824184984747.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747489481423) 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, 911026 + ... + 1524777.

It is an arithmetic number, because the mean of its divisors is an integer number (36829356480).

Almost surely, 2^747489481428 is an apocalyptic number.

It is an amenable number.

747489481428 is an abundant number, since it is smaller than the sum of its proper divisors (1020319629612).

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

747489481428 is a wasteful number, since it uses less digits than its factorization.

747489481428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436156 (or 2436154 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 66.

The spelling of 747489481428 in words is "seven hundred forty-seven billion, four hundred eighty-nine million, four hundred eighty-one thousand, four hundred twenty-eight".