3520623672 has 24 divisors (see below), whose sum is σ = 9535022640. Its totient is φ = 1173541200.

The previous prime is 3520623647. The next prime is 3520623713. The reversal of 3520623672 is 2763260253.

It is a happy number.

3520623672 is a `hidden beast` number, since 3 + 5 + 20 + 623 + 6 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×3520623672³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24448704 + ... + 24448847.

It is an arithmetic number, because the mean of its divisors is an integer number (397292610).

Almost surely, 2^3520623672 is an apocalyptic number.

It is an amenable number.

3520623672 is an abundant number, since it is smaller than the sum of its proper divisors (6014398968).

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

3520623672 is a wasteful number, since it uses less digits than its factorization.

3520623672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48897563 (or 48897556 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 3520623672 is about 59334.8436586800. The cubic root of 3520623672 is about 1521.2708197176.

The spelling of 3520623672 in words is "three billion, five hundred twenty million, six hundred twenty-three thousand, six hundred seventy-two".