73700038 has 4 divisors (see below), whose sum is σ = 110550060. Its totient is φ = 36850018.

The previous prime is 73700021. The next prime is 73700047. The reversal of 73700038 is 83000737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83000737 = 2053 ⋅40429.

It is a super-4 number, since 4×73700038⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73699979 and 73700015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18425008 + ... + 18425011.

It is an arithmetic number, because the mean of its divisors is an integer number (27637515).

Almost surely, 2^73700038 is an apocalyptic number.

73700038 is a deficient number, since it is larger than the sum of its proper divisors (36850022).

73700038 is a wasteful number, since it uses less digits than its factorization.

73700038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36850021.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 73700038 is about 8584.8726257295. The cubic root of 73700038 is about 419.2656062643.

The spelling of 73700038 in words is "seventy-three million, seven hundred thousand, thirty-eight".