72007037 has 4 divisors (see below), whose sum is σ = 72111936. Its totient is φ = 71902140.

The previous prime is 72007027. The next prime is 72007057. The reversal of 72007037 is 73070027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73070027 = 2699 ⋅27073.

It is a cyclic number.

It is not a de Polignac number, because 72007037 - 2⁶ = 72006973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72006997 and 72007015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72007027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51413 + ... + 52794.

It is an arithmetic number, because the mean of its divisors is an integer number (18027984).

Almost surely, 2^72007037 is an apocalyptic number.

It is an amenable number.

72007037 is a deficient number, since it is larger than the sum of its proper divisors (104899).

72007037 is a wasteful number, since it uses less digits than its factorization.

72007037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104898.

The product of its (nonzero) digits is 2058, while the sum is 26.

The square root of 72007037 is about 8485.6960233089. The cubic root of 72007037 is about 416.0303174558.

The spelling of 72007037 in words is "seventy-two million, seven thousand, thirty-seven".