147976722 has 12 divisors (see below), whose sum is σ = 320616270. Its totient is φ = 49325568.

The previous prime is 147976711. The next prime is 147976723. The reversal of 147976722 is 227679741.

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 58844241 = 9441^2 + 7671^2 .

It is a super-2 number, since 2×147976722² = 43794220507730568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147976723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4110447 + ... + 4110482.

Almost surely, 2^147976722 is an apocalyptic number.

147976722 is an abundant number, since it is smaller than the sum of its proper divisors (172639548).

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

147976722 is a wasteful number, since it uses less digits than its factorization.

147976722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220937 (or 8220934 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 147976722 is about 12164.5683030677. The cubic root of 147976722 is about 528.9295136829.

The spelling of 147976722 in words is "one hundred forty-seven million, nine hundred seventy-six thousand, seven hundred twenty-two".