83300070 has 32 divisors (see below), whose sum is σ = 228480768. Its totient is φ = 19039968.

The previous prime is 83300039. The next prime is 83300137. The reversal of 83300070 is 7000338.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 198124 + ... + 198543.

It is an arithmetic number, because the mean of its divisors is an integer number (7140024).

Almost surely, 2^83300070 is an apocalyptic number.

83300070 is an abundant number, since it is smaller than the sum of its proper divisors (145180698).

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

83300070 is a wasteful number, since it uses less digits than its factorization.

83300070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396684.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 83300070 is about 9126.8872021078. The cubic root of 83300070 is about 436.7321082375.

The spelling of 83300070 in words is "eighty-three million, three hundred thousand, seventy".