147493406 has 4 divisors (see below), whose sum is σ = 221240112. Its totient is φ = 73746702.

The previous prime is 147493403. The next prime is 147493417. The reversal of 147493406 is 604394741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604394741 = 37 ⋅16334993.

It is a self number, because there is not a number n which added to its sum of digits gives 147493406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147493403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36873350 + ... + 36873353.

It is an arithmetic number, because the mean of its divisors is an integer number (55310028).

Almost surely, 2^147493406 is an apocalyptic number.

147493406 is a deficient number, since it is larger than the sum of its proper divisors (73746706).

147493406 is an equidigital number, since it uses as much as digits as its factorization.

147493406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73746705.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 147493406 is about 12144.6863277731. The cubic root of 147493406 is about 528.3530290391.

The spelling of 147493406 in words is "one hundred forty-seven million, four hundred ninety-three thousand, four hundred six".