84723475 has 6 divisors (see below), whose sum is σ = 105057140. Its totient is φ = 67778760.

The previous prime is 84723473. The next prime is 84723479. The reversal of 84723475 is 57432748.

It is not a de Polignac number, because 84723475 - 2¹ = 84723473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84723473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1694445 + ... + 1694494.

Almost surely, 2^84723475 is an apocalyptic number.

84723475 is a deficient number, since it is larger than the sum of its proper divisors (20333665).

84723475 is a wasteful number, since it uses less digits than its factorization.

84723475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388949 (or 3388944 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 84723475 is about 9204.5355667736. The cubic root of 84723475 is about 439.2056518522.

The spelling of 84723475 in words is "eighty-four million, seven hundred twenty-three thousand, four hundred seventy-five".