94539780 has 36 divisors (see below), whose sum is σ = 286771212. Its totient is φ = 25210560.

The previous prime is 94539779. The next prime is 94539787. The reversal of 94539780 is 8793549.

It can be written as a sum of positive squares in 2 ways, for example, as 25583364 + 68956416 = 5058^2 + 8304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (94539787) 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, 262431 + ... + 262790.

It is an arithmetic number, because the mean of its divisors is an integer number (7965867).

Almost surely, 2^94539780 is an apocalyptic number.

94539780 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

94539780 is an abundant number, since it is smaller than the sum of its proper divisors (192231432).

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

94539780 is a wasteful number, since it uses less digits than its factorization.

94539780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525236 (or 525231 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 94539780 is about 9723.1568947539. The cubic root of 94539780 is about 455.5522497832.

The spelling of 94539780 in words is "ninety-four million, five hundred thirty-nine thousand, seven hundred eighty".