247105372 has 12 divisors (see below), whose sum is σ = 436476600. Its totient is φ = 122397776.

The previous prime is 247105337. The next prime is 247105381. The reversal of 247105372 is 273501742.

It is a super-2 number, since 2×247105372² = 122122129742516768, which contains 22 as substring.

It is a congruent number.

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, 288247 + ... + 289102.

It is an arithmetic number, because the mean of its divisors is an integer number (36373050).

Almost surely, 2^247105372 is an apocalyptic number.

It is an amenable number.

247105372 is a deficient number, since it is larger than the sum of its proper divisors (189371228).

247105372 is a wasteful number, since it uses less digits than its factorization.

247105372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577460 (or 577458 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 247105372 is about 15719.5856179481. The cubic root of 247105372 is about 627.5197452028.

It can be divided in two parts, 2471053 and 72, that multiplied together give a triangular number (177915816 = T₁₈₈₆₃).

The spelling of 247105372 in words is "two hundred forty-seven million, one hundred five thousand, three hundred seventy-two".