147387970 has 8 divisors (see below), whose sum is σ = 265298364. Its totient is φ = 58955184.

The previous prime is 147387941. The next prime is 147387971. The reversal of 147387970 is 79783741.

It can be written as a sum of positive squares in 2 ways, for example, as 139452481 + 7935489 = 11809^2 + 2817^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 147387970.

It is not an unprimeable number, because it can be changed into a prime (147387971) 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, 7369389 + ... + 7369408.

Almost surely, 2^147387970 is an apocalyptic number.

147387970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147387970 is a deficient number, since it is larger than the sum of its proper divisors (117910394).

147387970 is a wasteful number, since it uses less digits than its factorization.

147387970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14738804.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 147387970 is about 12140.3447232770. The cubic root of 147387970 is about 528.2271009022.

The spelling of 147387970 in words is "one hundred forty-seven million, three hundred eighty-seven thousand, nine hundred seventy".