52070437 has 4 divisors (see below), whose sum is σ = 52215840. Its totient is φ = 51925036.

The previous prime is 52070423. The next prime is 52070441. The reversal of 52070437 is 73407025.

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 52070437 - 2⁷ = 52070309 is a prime.

It is a super-2 number, since 2×52070437² = 5422660818741938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070467) 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, 72163 + ... + 72880.

It is an arithmetic number, because the mean of its divisors is an integer number (13053960).

Almost surely, 2^52070437 is an apocalyptic number.

It is an amenable number.

52070437 is a deficient number, since it is larger than the sum of its proper divisors (145403).

52070437 is a wasteful number, since it uses less digits than its factorization.

52070437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145402.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 52070437 is about 7215.9848253721. The cubic root of 52070437 is about 373.4195697010.

The spelling of 52070437 in words is "fifty-two million, seventy thousand, four hundred thirty-seven".