724121427 has 8 divisors (see below), whose sum is σ = 965684880. Its totient is φ = 482652800.

The previous prime is 724121353. The next prime is 724121441.

724121427 is nontrivially palindromic in base 10.

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 724121427 - 2¹⁴ = 724105043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 724121394 and 724121403.

It is not an unprimeable number, because it can be changed into a prime (764121427) 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, 3402 + ... + 38207.

It is an arithmetic number, because the mean of its divisors is an integer number (120710610).

Almost surely, 2^724121427 is an apocalyptic number.

724121427 is a deficient number, since it is larger than the sum of its proper divisors (241563453).

724121427 is a wasteful number, since it uses less digits than its factorization.

724121427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413.

The product of its digits is 6272, while the sum is 30.

The square root of 724121427 is about 26909.5043990037. The cubic root of 724121427 is about 897.9878615859.

The spelling of 724121427 in words is "seven hundred twenty-four million, one hundred twenty-one thousand, four hundred twenty-seven".