94052781 has 12 divisors (see below), whose sum is σ = 138745152. Its totient is φ = 61367496.

The previous prime is 94052753. The next prime is 94052801. The reversal of 94052781 is 18725049.

It is not a de Polignac number, because 94052781 - 2¹⁸ = 93790637 is a prime.

It is a super-2 number, since 2×94052781² = 17691851227667922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94052711) 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, 110751 + ... + 111596.

It is an arithmetic number, because the mean of its divisors is an integer number (11562096).

Almost surely, 2^94052781 is an apocalyptic number.

It is an amenable number.

94052781 is a deficient number, since it is larger than the sum of its proper divisors (44692371).

94052781 is a wasteful number, since it uses less digits than its factorization.

94052781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222400 (or 222397 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 94052781 is about 9698.0813050830. The cubic root of 94052781 is about 454.7686800672.

The spelling of 94052781 in words is "ninety-four million, fifty-two thousand, seven hundred eighty-one".