723132037 has 4 divisors (see below), whose sum is σ = 726802956. Its totient is φ = 719461120.

The previous prime is 723132019. The next prime is 723132061. The reversal of 723132037 is 730231327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730231327 = 7 ⋅104318761.

It can be written as a sum of positive squares in 2 ways, for example, as 682567876 + 40564161 = 26126^2 + 6369^2 .

It is a cyclic number.

It is not a de Polignac number, because 723132037 - 2⁷ = 723131909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 723131996 and 723132014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723132097) 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, 1835164 + ... + 1835557.

It is an arithmetic number, because the mean of its divisors is an integer number (181700739).

Almost surely, 2^723132037 is an apocalyptic number.

It is an amenable number.

723132037 is a deficient number, since it is larger than the sum of its proper divisors (3670919).

723132037 is a wasteful number, since it uses less digits than its factorization.

723132037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670918.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 723132037 is about 26891.1144618441. The cubic root of 723132037 is about 897.5786921067.

The spelling of 723132037 in words is "seven hundred twenty-three million, one hundred thirty-two thousand, thirty-seven".