147890470 has 32 divisors (see below), whose sum is σ = 327636288. Its totient is φ = 46804608.

The previous prime is 147890467. The next prime is 147890473. The reversal of 147890470 is 74098741.

It is an interprime number because it is at equal distance from previous prime (147890467) and next prime (147890473).

It is a super-2 number, since 2×147890470² = 43743182233641800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147890473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80349 + ... + 82168.

It is an arithmetic number, because the mean of its divisors is an integer number (10238634).

Almost surely, 2^147890470 is an apocalyptic number.

147890470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147890470 is an abundant number, since it is smaller than the sum of its proper divisors (179745818).

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

147890470 is a wasteful number, since it uses less digits than its factorization.

147890470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162544.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 147890470 is about 12161.0225721359. The cubic root of 147890470 is about 528.8267270317.

The spelling of 147890470 in words is "one hundred forty-seven million, eight hundred ninety thousand, four hundred seventy".