1274472732 has 48 divisors (see below), whose sum is σ = 3207953952. Its totient is φ = 391480320.

The previous prime is 1274472697. The next prime is 1274472761. The reversal of 1274472732 is 2372744721.

It is a super-3 number, since 3×1274472732³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 89632 + ... + 102872.

It is an arithmetic number, because the mean of its divisors is an integer number (66832374).

Almost surely, 2^1274472732 is an apocalyptic number.

1274472732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1274472732 is an abundant number, since it is smaller than the sum of its proper divisors (1933481220).

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

1274472732 is a wasteful number, since it uses less digits than its factorization.

1274472732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878 (or 13876 counting only the distinct ones).

The product of its digits is 131712, while the sum is 39.

The square root of 1274472732 is about 35699.7581504413. The cubic root of 1274472732 is about 1084.2019465079.

The spelling of 1274472732 in words is "one billion, two hundred seventy-four million, four hundred seventy-two thousand, seven hundred thirty-two".