7612621245 has 32 divisors (see below), whose sum is σ = 13594291200. Its totient is φ = 4041842112.

The previous prime is 7612621231. The next prime is 7612621253. The reversal of 7612621245 is 5421262167.

It is a happy number.

7612621245 is a `hidden beast` number, since 7 + 6 + 1 + 2 + 621 + 24 + 5 = 666.

It is not a de Polignac number, because 7612621245 - 2⁷ = 7612621117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96330 + ... + 156539.

It is an arithmetic number, because the mean of its divisors is an integer number (424821600).

Almost surely, 2^7612621245 is an apocalyptic number.

It is an amenable number.

7612621245 is a deficient number, since it is larger than the sum of its proper divisors (5981669955).

7612621245 is a wasteful number, since it uses less digits than its factorization.

7612621245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253106 (or 253100 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 7612621245 is about 87250.3366469150. The cubic root of 7612621245 is about 1967.1829013314.

The spelling of 7612621245 in words is "seven billion, six hundred twelve million, six hundred twenty-one thousand, two hundred forty-five".