784472061 has 4 divisors (see below), whose sum is σ = 1045962752. Its totient is φ = 522981372.

The previous prime is 784471973. The next prime is 784472071. The reversal of 784472061 is 160274487.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 784472061 - 2²⁹ = 247601149 is a prime.

It is a super-4 number, since 4×784472061⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (784472071) 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, 130745341 + ... + 130745346.

It is an arithmetic number, because the mean of its divisors is an integer number (261490688).

Almost surely, 2^784472061 is an apocalyptic number.

It is an amenable number.

784472061 is a deficient number, since it is larger than the sum of its proper divisors (261490691).

784472061 is a wasteful number, since it uses less digits than its factorization.

784472061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261490690.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 784472061 is about 28008.4283921822. The cubic root of 784472061 is about 922.2722899163.

It can be divided in two parts, 78447 and 2061, that added together give a palindrome (80508).

The spelling of 784472061 in words is "seven hundred eighty-four million, four hundred seventy-two thousand, sixty-one".