151722072074 has 8 divisors (see below), whose sum is σ = 227604352260. Its totient is φ = 75853954656.

The previous prime is 151722072053. The next prime is 151722072143. The reversal of 151722072074 is 470270227151.

It can be written as a sum of positive squares in 2 ways, for example, as 147231061849 + 4491010225 = 383707^2 + 67015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×151722072074² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513869 + ... + 3556784.

Almost surely, 2^151722072074 is an apocalyptic number.

151722072074 is a deficient number, since it is larger than the sum of its proper divisors (75882280186).

151722072074 is a wasteful number, since it uses less digits than its factorization.

151722072074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081384.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 151722072074 in words is "one hundred fifty-one billion, seven hundred twenty-two million, seventy-two thousand, seventy-four".