747062139 has 8 divisors (see below), whose sum is σ = 998065152. Its totient is φ = 497050280.

The previous prime is 747062131. The next prime is 747062143. The reversal of 747062139 is 931260747.

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

It is a cyclic number.

It is not a de Polignac number, because 747062139 - 2³ = 747062131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747062097 and 747062106.

It is not an unprimeable number, because it can be changed into a prime (747062131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246027 + ... + 249044.

It is an arithmetic number, because the mean of its divisors is an integer number (124758144).

Almost surely, 2^747062139 is an apocalyptic number.

747062139 is a deficient number, since it is larger than the sum of its proper divisors (251003013).

747062139 is a wasteful number, since it uses less digits than its factorization.

747062139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495577.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 747062139 is about 27332.4374873519. The cubic root of 747062139 is about 907.3724223211.

The spelling of 747062139 in words is "seven hundred forty-seven million, sixty-two thousand, one hundred thirty-nine".