747440148 has 48 divisors (see below), whose sum is σ = 2146497920. Its totient is φ = 197126784.

The previous prime is 747440123. The next prime is 747440159. The reversal of 747440148 is 841044747.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341143 + ... + 343326.

Almost surely, 2^747440148 is an apocalyptic number.

747440148 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

747440148 is an abundant number, since it is smaller than the sum of its proper divisors (1399057772).

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

747440148 is a wasteful number, since it uses less digits than its factorization.

747440148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684496 (or 684494 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 747440148 is about 27339.3516382521. The cubic root of 747440148 is about 907.5254381990.

The spelling of 747440148 in words is "seven hundred forty-seven million, four hundred forty thousand, one hundred forty-eight".