74906361 has 6 divisors (see below), whose sum is σ = 108198090. Its totient is φ = 49937568.

The previous prime is 74906339. The next prime is 74906383. The reversal of 74906361 is 16360947.

It is an interprime number because it is at equal distance from previous prime (74906339) and next prime (74906383).

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 11799225 = 7944^2 + 3435^2 .

It is not a de Polignac number, because 74906361 - 2¹⁷ = 74775289 is a prime.

It is a super-2 number, since 2×74906361² = 11221925836524642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74906311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4161456 + ... + 4161473.

It is an arithmetic number, because the mean of its divisors is an integer number (18033015).

Almost surely, 2^74906361 is an apocalyptic number.

It is an amenable number.

74906361 is a deficient number, since it is larger than the sum of its proper divisors (33291729).

74906361 is a wasteful number, since it uses less digits than its factorization.

74906361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322935 (or 8322932 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 74906361 is about 8654.8460991516. The cubic root of 74906361 is about 421.5407524669.

The spelling of 74906361 in words is "seventy-four million, nine hundred six thousand, three hundred sixty-one".