372036421 has 4 divisors (see below), whose sum is σ = 374264352. Its totient is φ = 369808492.

The previous prime is 372036323. The next prime is 372036439. The reversal of 372036421 is 124630273.

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.

It is a cyclic number.

It is not a de Polignac number, because 372036421 - 2¹¹ = 372034373 is a prime.

It is a super-2 number, since 2×372036421² = 276822197100978482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 372036421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372036451) 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, 1113715 + ... + 1114048.

It is an arithmetic number, because the mean of its divisors is an integer number (93566088).

Almost surely, 2^372036421 is an apocalyptic number.

It is an amenable number.

372036421 is a deficient number, since it is larger than the sum of its proper divisors (2227931).

372036421 is a wasteful number, since it uses less digits than its factorization.

372036421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227930.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 372036421 is about 19288.2456693189. The cubic root of 372036421 is about 719.2201052501.

Adding to 372036421 its reverse (124630273), we get a palindrome (496666694).

The spelling of 372036421 in words is "three hundred seventy-two million, thirty-six thousand, four hundred twenty-one".