252073878 has 64 divisors (see below), whose sum is σ = 591833088. Its totient is φ = 70081920.

The previous prime is 252073853. The next prime is 252073903. The reversal of 252073878 is 878370252.

It is an interprime number because it is at equal distance from previous prime (252073853) and next prime (252073903).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546568 + ... + 547028.

It is an arithmetic number, because the mean of its divisors is an integer number (9247392).

Almost surely, 2^252073878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252073878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295916544).

252073878 is an abundant number, since it is smaller than the sum of its proper divisors (339759210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252073878 is a wasteful number, since it uses less digits than its factorization.

252073878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 252073878 is about 15876.8346341454. The cubic root of 252073878 is about 631.6976786044.

The spelling of 252073878 in words is "two hundred fifty-two million, seventy-three thousand, eight hundred seventy-eight".