47694690 has 64 divisors (see below), whose sum is σ = 134680320. Its totient is φ = 11969280.

The previous prime is 47694679. The next prime is 47694719. The reversal of 47694690 is 9649674.

47694690 is a `hidden beast` number, since 476 + 94 + 6 + 90 = 666.

It is a super-2 number, since 2×47694690² = 4549566908392200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (2104380).

Almost surely, 2^47694690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47694690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67340160).

47694690 is an abundant number, since it is smaller than the sum of its proper divisors (86985630).

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

47694690 is a wasteful number, since it uses less digits than its factorization.

47694690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424 (or 10418 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 47694690 is about 6906.1342297989. The cubic root of 47694690 is about 362.6519442298.

It can be divided in two parts, 47694 and 690, that added together give a palindrome (48384).

The spelling of 47694690 in words is "forty-seven million, six hundred ninety-four thousand, six hundred ninety".