84746790 has 64 divisors (see below), whose sum is σ = 226998720. Its totient is φ = 22498560.

The previous prime is 84746749. The next prime is 84746791. The reversal of 84746790 is 9764748.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84746791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75312 + ... + 76428.

It is an arithmetic number, because the mean of its divisors is an integer number (3546855).

Almost surely, 2^84746790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84746790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113499360).

84746790 is an abundant number, since it is smaller than the sum of its proper divisors (142251930).

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

84746790 is a wasteful number, since it uses less digits than its factorization.

84746790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 84746790 is about 9205.8019748417. The cubic root of 84746790 is about 439.2459363999.

The spelling of 84746790 in words is "eighty-four million, seven hundred forty-six thousand, seven hundred ninety".