37474747474 has 4 divisors (see below), whose sum is σ = 56212121214. Its totient is φ = 18737373736.

The previous prime is 37474747441. The next prime is 37474747559. The reversal of 37474747474 is 47474747473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47474747473 = 233 ⋅203754281.

It can be written as a sum of positive squares in only one way, i.e., 21798455449 + 15676292025 = 147643^2 + 125205^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9368686867 + ... + 9368686870.

Almost surely, 2^37474747474 is an apocalyptic number.

37474747474 is a deficient number, since it is larger than the sum of its proper divisors (18737373740).

37474747474 is a wasteful number, since it uses less digits than its factorization.

37474747474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18737373739.

The product of its digits is 51631104, while the sum is 58.

Subtracting 37474747474 from its reverse (47474747473), we obtain a palindrome (9999999999).

It can be divided in two parts, 3 and 7474747474, that multiplied together give a palindrome (22424242422).

The spelling of 37474747474 in words is "thirty-seven billion, four hundred seventy-four million, seven hundred forty-seven thousand, four hundred seventy-four".