1347706425 has 48 divisors (see below), whose sum is σ = 2430122240. Its totient is φ = 655050240.

The previous prime is 1347706397. The next prime is 1347706429. The reversal of 1347706425 is 5246077431.

It is not a de Polignac number, because 1347706425 - 2⁸ = 1347706169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1347706429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68277 + ... + 85773.

Almost surely, 2^1347706425 is an apocalyptic number.

1347706425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1347706425 is a deficient number, since it is larger than the sum of its proper divisors (1082415815).

1347706425 is a wasteful number, since it uses less digits than its factorization.

1347706425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602 (or 17597 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 1347706425 is about 36711.1212713532. The cubic root of 1347706425 is about 1104.5831983180.

The spelling of 1347706425 in words is "one billion, three hundred forty-seven million, seven hundred six thousand, four hundred twenty-five".