36471978 has 16 divisors (see below), whose sum is σ = 81048960. Its totient is φ = 12157308.

The previous prime is 36471977. The next prime is 36471979. The reversal of 36471978 is 87917463.

It is an interprime number because it is at equal distance from previous prime (36471977) and next prime (36471979).

It is not an unprimeable number, because it can be changed into a prime (36471977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337650 + ... + 337757.

It is an arithmetic number, because the mean of its divisors is an integer number (5065560).

Almost surely, 2^36471978 is an apocalyptic number.

36471978 is an abundant number, since it is smaller than the sum of its proper divisors (44576982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36471978 is a wasteful number, since it uses less digits than its factorization.

36471978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675418 (or 675412 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 36471978 is about 6039.2034242936. The cubic root of 36471978 is about 331.6294615247.

It can be divided in two parts, 3647 and 1978, that added together give a square (5625 = 75²).

The spelling of 36471978 in words is "thirty-six million, four hundred seventy-one thousand, nine hundred seventy-eight".