2667281572 has 72 divisors (see below), whose sum is σ = 5296648896. Its totient is φ = 1172193792.

The previous prime is 2667281563. The next prime is 2667281581. The reversal of 2667281572 is 2751827662.

It is an interprime number because it is at equal distance from previous prime (2667281563) and next prime (2667281581).

It is a super-2 number, since 2×2667281572² = 14228781968661582368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1142118 + ... + 1144450.

It is an arithmetic number, because the mean of its divisors is an integer number (73564568).

Almost surely, 2^2667281572 is an apocalyptic number.

It is an amenable number.

2667281572 is a deficient number, since it is larger than the sum of its proper divisors (2629367324).

2667281572 is a wasteful number, since it uses less digits than its factorization.

2667281572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2418 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 2667281572 is about 51645.7314015399. The cubic root of 2667281572 is about 1386.8291283960.

The spelling of 2667281572 in words is "two billion, six hundred sixty-seven million, two hundred eighty-one thousand, five hundred seventy-two".