472070781 has 32 divisors (see below), whose sum is σ = 860760320. Its totient is φ = 249003072.

The previous prime is 472070771. The next prime is 472070803. The reversal of 472070781 is 187070274.

It is not a de Polignac number, because 472070781 - 2¹³ = 472062589 is a prime.

It is a super-2 number, since 2×472070781² = 445701644547899922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472070701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93610 + ... + 98523.

It is an arithmetic number, because the mean of its divisors is an integer number (26898760).

Almost surely, 2^472070781 is an apocalyptic number.

It is an amenable number.

472070781 is a deficient number, since it is larger than the sum of its proper divisors (388689539).

472070781 is a wasteful number, since it uses less digits than its factorization.

472070781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192162 (or 192156 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 472070781 is about 21727.1899011354. The cubic root of 472070781 is about 778.6382007462.

The spelling of 472070781 in words is "four hundred seventy-two million, seventy thousand, seven hundred eighty-one".