7620003900 has 54 divisors (see below), whose sum is σ = 23884481712. Its totient is φ = 2032000800.

The previous prime is 7620003871. The next prime is 7620003901. The reversal of 7620003900 is 93000267.

7620003900 is a `hidden beast` number, since 7 + 620 + 0 + 0 + 39 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620003901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4232436 + ... + 4234235.

Almost surely, 2^7620003900 is an apocalyptic number.

It is an amenable number.

7620003900 is an abundant number, since it is smaller than the sum of its proper divisors (16264477812).

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

7620003900 is a wasteful number, since it uses less digits than its factorization.

7620003900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466691 (or 8466681 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 7620003900 is about 87292.6337098383. The cubic root of 7620003900 is about 1967.8186149256.

The spelling of 7620003900 in words is "seven billion, six hundred twenty million, three thousand, nine hundred".