74247337 has 8 divisors (see below), whose sum is σ = 77013000. Its totient is φ = 71495424.

The previous prime is 74247331. The next prime is 74247343. The reversal of 74247337 is 73374247.

It is an interprime number because it is at equal distance from previous prime (74247331) and next prime (74247343).

It can be written as a sum of positive squares in 4 ways, for example, as 37994896 + 36252441 = 6164^2 + 6021^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74247337 - 2⁷ = 74247209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74247296 and 74247305.

It is not an unprimeable number, because it can be changed into a prime (74247331) 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, 8289 + ... + 14737.

It is an arithmetic number, because the mean of its divisors is an integer number (9626625).

Almost surely, 2^74247337 is an apocalyptic number.

It is an amenable number.

74247337 is a deficient number, since it is larger than the sum of its proper divisors (2765663).

74247337 is a wasteful number, since it uses less digits than its factorization.

74247337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875.

The product of its digits is 98784, while the sum is 37.

The square root of 74247337 is about 8616.6894454889. The cubic root of 74247337 is about 420.3008747364.

The spelling of 74247337 in words is "seventy-four million, two hundred forty-seven thousand, three hundred thirty-seven".