68152629 has 4 divisors (see below), whose sum is σ = 90870176. Its totient is φ = 45435084.

The previous prime is 68152627. The next prime is 68152633. The reversal of 68152629 is 92625186.

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 not a de Polignac number, because 68152629 - 2¹ = 68152627 is a prime.

It is a super-2 number, since 2×68152629² = 9289561679223282, 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 (68152627) 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, 11358769 + ... + 11358774.

It is an arithmetic number, because the mean of its divisors is an integer number (22717544).

Almost surely, 2^68152629 is an apocalyptic number.

It is an amenable number.

68152629 is a deficient number, since it is larger than the sum of its proper divisors (22717547).

68152629 is a wasteful number, since it uses less digits than its factorization.

68152629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22717546.

The product of its digits is 51840, while the sum is 39.

The square root of 68152629 is about 8255.4605565044. The cubic root of 68152629 is about 408.4706638269.

The spelling of 68152629 in words is "sixty-eight million, one hundred fifty-two thousand, six hundred twenty-nine".