47740394 has 16 divisors (see below), whose sum is σ = 78178632. Its totient is φ = 21731328.

The previous prime is 47740367. The next prime is 47740417. The reversal of 47740394 is 49304774.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35581225 + 12159169 = 5965^2 + 3487^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10679 + ... + 14474.

Almost surely, 2^47740394 is an apocalyptic number.

47740394 is a deficient number, since it is larger than the sum of its proper divisors (30438238).

47740394 is a wasteful number, since it uses less digits than its factorization.

47740394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25241.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 47740394 is about 6909.4423798162. The cubic root of 47740394 is about 362.7677457512.

The spelling of 47740394 in words is "forty-seven million, seven hundred forty thousand, three hundred ninety-four".