74922497 has 8 divisors (see below), whose sum is σ = 80947944. Its totient is φ = 68934528.

The previous prime is 74922481. The next prime is 74922499. The reversal of 74922497 is 79422947.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 69239041 = 2384^2 + 8321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74922497 - 2⁴ = 74922481 is a prime.

It is a super-2 number, since 2×74922497² = 11226761113430018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74922499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (10118493).

Almost surely, 2^74922497 is an apocalyptic number.

It is an amenable number.

74922497 is a deficient number, since it is larger than the sum of its proper divisors (6025447).

74922497 is a wasteful number, since it uses less digits than its factorization.

74922497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739.

The product of its digits is 254016, while the sum is 44.

The square root of 74922497 is about 8655.7782434626. The cubic root of 74922497 is about 421.5710191142.

The spelling of 74922497 in words is "seventy-four million, nine hundred twenty-two thousand, four hundred ninety-seven".