74372837 has 12 divisors (see below), whose sum is σ = 94381056. Its totient is φ = 57952440.

The previous prime is 74372803. The next prime is 74372839. The reversal of 74372837 is 73827347.

It is not a de Polignac number, because 74372837 - 2¹⁶ = 74307301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74372794 and 74372803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74372839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68453 + ... + 69530.

It is an arithmetic number, because the mean of its divisors is an integer number (7865088).

Almost surely, 2^74372837 is an apocalyptic number.

74372837 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

74372837 is a deficient number, since it is larger than the sum of its proper divisors (20008219).

74372837 is a wasteful number, since it uses less digits than its factorization.

74372837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138008 (or 138001 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The square root of 74372837 is about 8623.9687499434. The cubic root of 74372837 is about 420.5375524410.

Subtracting from 74372837 its reverse (73827347), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 74372837 in words is "seventy-four million, three hundred seventy-two thousand, eight hundred thirty-seven".