7620000078 has 32 divisors (see below), whose sum is σ = 15437537280. Its totient is φ = 2507247680.

The previous prime is 7620000061. The next prime is 7620000133. The reversal of 7620000078 is 8700000267.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159283 + ... + 201521.

It is an arithmetic number, because the mean of its divisors is an integer number (482423040).

Almost surely, 2^7620000078 is an apocalyptic number.

7620000078 is an abundant number, since it is smaller than the sum of its proper divisors (7817537202).

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

7620000078 is a wasteful number, since it uses less digits than its factorization.

7620000078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42632.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7620000078 is about 87292.6118179540. The cubic root of 7620000078 is about 1967.8182859230.

The spelling of 7620000078 in words is "seven billion, six hundred twenty million, seventy-eight", and thus it is an aban number.