74974853 has 2 divisors, whose sum is σ = 74974854. Its totient is φ = 74974852.

The previous prime is 74974799. The next prime is 74974877. The reversal of 74974853 is 35847947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 12517444 = 7903^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 74974853 - 2¹² = 74970757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74974798 and 74974807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74974883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37487426 + 37487427.

It is an arithmetic number, because the mean of its divisors is an integer number (37487427).

Almost surely, 2^74974853 is an apocalyptic number.

It is an amenable number.

74974853 is a deficient number, since it is larger than the sum of its proper divisors (1).

74974853 is an equidigital number, since it uses as much as digits as its factorization.

74974853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 74974853 is about 8658.8020534021. The cubic root of 74974853 is about 421.6691944905.

The spelling of 74974853 in words is "seventy-four million, nine hundred seventy-four thousand, eight hundred fifty-three".