749274472947 has 96 divisors (see below), whose sum is σ = 1385183393280. Its totient is φ = 349581173760.

The previous prime is 749274472943. The next prime is 749274472951.

749274472947 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (749274472943) and next prime (749274472951).

It is not a de Polignac number, because 749274472947 - 2² = 749274472943 is a prime.

It is a super-2 number, since 2×749274472947² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749274472943) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1185079 + ... + 1703807.

It is an arithmetic number, because the mean of its divisors is an integer number (14428993680).

Almost surely, 2^749274472947 is an apocalyptic number.

749274472947 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

749274472947 is a deficient number, since it is larger than the sum of its proper divisors (635908920333).

749274472947 is a wasteful number, since it uses less digits than its factorization.

749274472947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518813 (or 518800 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 66.

It can be divided in two parts, 749274 and 472947, that added together give a palindrome (1222221).

The spelling of 749274472947 in words is "seven hundred forty-nine billion, two hundred seventy-four million, four hundred seventy-two thousand, nine hundred forty-seven".