147420874 has 4 divisors (see below), whose sum is σ = 221131314. Its totient is φ = 73710436.

The previous prime is 147420863. The next prime is 147420883. The reversal of 147420874 is 478024741.

147420874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478024741 = 379 ⋅1261279.

It can be written as a sum of positive squares in only one way, i.e., 145033849 + 2387025 = 12043^2 + 1545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36855217 + ... + 36855220.

Almost surely, 2^147420874 is an apocalyptic number.

147420874 is a deficient number, since it is larger than the sum of its proper divisors (73710440).

147420874 is an equidigital number, since it uses as much as digits as its factorization.

147420874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73710439.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 147420874 is about 12141.6997986279. The cubic root of 147420874 is about 528.2664064423.

The spelling of 147420874 in words is "one hundred forty-seven million, four hundred twenty thousand, eight hundred seventy-four".