36972123407 has 4 divisors (see below), whose sum is σ = 36992791560. Its totient is φ = 36951455256.

The previous prime is 36972123401. The next prime is 36972123431. The reversal of 36972123407 is 70432127963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70432127963 = 233 ⋅302283811.

It is a cyclic number.

It is not a de Polignac number, because 36972123407 - 2⁸ = 36972123151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36972123401) 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, 10331393 + ... + 10334970.

It is an arithmetic number, because the mean of its divisors is an integer number (9248197890).

Almost surely, 2^36972123407 is an apocalyptic number.

36972123407 is a deficient number, since it is larger than the sum of its proper divisors (20668153).

36972123407 is a wasteful number, since it uses less digits than its factorization.

36972123407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668152.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 36972123407 in words is "thirty-six billion, nine hundred seventy-two million, one hundred twenty-three thousand, four hundred seven".