750729047 has 4 divisors (see below), whose sum is σ = 764893800. Its totient is φ = 736564296.

The previous prime is 750729041. The next prime is 750729127. The reversal of 750729047 is 740927057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740927057 = 13 ⋅56994389.

It is a cyclic number.

It is not a de Polignac number, because 750729047 - 2²² = 746534743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 750728995 and 750729013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750729041) 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, 7082297 + ... + 7082402.

It is an arithmetic number, because the mean of its divisors is an integer number (191223450).

Almost surely, 2^750729047 is an apocalyptic number.

750729047 is a deficient number, since it is larger than the sum of its proper divisors (14164753).

750729047 is a wasteful number, since it uses less digits than its factorization.

750729047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14164752.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 750729047 is about 27399.4351584116. The cubic root of 750729047 is about 908.8545935931.

The spelling of 750729047 in words is "seven hundred fifty million, seven hundred twenty-nine thousand, forty-seven".