9612507420 has 72 divisors (see below), whose sum is σ = 29593169424. Its totient is φ = 2525073408.

The previous prime is 9612507407. The next prime is 9612507427. The reversal of 9612507420 is 247052169.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9612507427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386469 + ... + 410588.

It is an arithmetic number, because the mean of its divisors is an integer number (411016242).

Almost surely, 2^9612507420 is an apocalyptic number.

9612507420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9612507420 is an abundant number, since it is smaller than the sum of its proper divisors (19980662004).

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

9612507420 is a wasteful number, since it uses less digits than its factorization.

9612507420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797139 (or 797134 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 9612507420 is about 98043.3955960319. The cubic root of 9612507420 is about 2126.2397320512.

Adding to 9612507420 its reverse (247052169), we get a palindrome (9859559589).

The spelling of 9612507420 in words is "nine billion, six hundred twelve million, five hundred seven thousand, four hundred twenty".