84748770 has 24 divisors (see below), whose sum is σ = 220347036. Its totient is φ = 22599648.

The previous prime is 84748739. The next prime is 84748777. The reversal of 84748770 is 7784748.

It can be written as a sum of positive squares in 2 ways, for example, as 84217329 + 531441 = 9177^2 + 729^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84748777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470737 + ... + 470916.

Almost surely, 2^84748770 is an apocalyptic number.

84748770 is an abundant number, since it is smaller than the sum of its proper divisors (135598266).

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

84748770 is a wasteful number, since it uses less digits than its factorization.

84748770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941666 (or 941663 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 84748770 is about 9205.9095150887. The cubic root of 84748770 is about 439.2493571791.

The spelling of 84748770 in words is "eighty-four million, seven hundred forty-eight thousand, seven hundred seventy".