76438153 has 4 divisors (see below), whose sum is σ = 83387088. Its totient is φ = 69489220.

The previous prime is 76438151. The next prime is 76438169. The reversal of 76438153 is 35183467.

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 76438153 - 2¹ = 76438151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76438151) 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, 3474451 + ... + 3474472.

It is an arithmetic number, because the mean of its divisors is an integer number (20846772).

Almost surely, 2^76438153 is an apocalyptic number.

It is an amenable number.

76438153 is a deficient number, since it is larger than the sum of its proper divisors (6948935).

76438153 is a wasteful number, since it uses less digits than its factorization.

76438153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948934.

The product of its digits is 60480, while the sum is 37.

The square root of 76438153 is about 8742.8915697268. The cubic root of 76438153 is about 424.3948073680.

The spelling of 76438153 in words is "seventy-six million, four hundred thirty-eight thousand, one hundred fifty-three".