752071426 has 8 divisors (see below), whose sum is σ = 1130134140. Its totient is φ = 375360048.

The previous prime is 752071373. The next prime is 752071469. The reversal of 752071426 is 624170257.

It can be written as a sum of positive squares in 2 ways, for example, as 643890625 + 108180801 = 25375^2 + 10401^2 .

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

It is a super-2 number, since 2×752071426² = 1131222859611346952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 752071391 and 752071400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336441 + ... + 338668.

Almost surely, 2^752071426 is an apocalyptic number.

752071426 is a deficient number, since it is larger than the sum of its proper divisors (378062714).

752071426 is a wasteful number, since it uses less digits than its factorization.

752071426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675668.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 752071426 is about 27423.9206897920. The cubic root of 752071426 is about 909.3959788282.

The spelling of 752071426 in words is "seven hundred fifty-two million, seventy-one thousand, four hundred twenty-six".