84067402 has 4 divisors (see below), whose sum is σ = 126101106. Its totient is φ = 42033700.

The previous prime is 84067393. The next prime is 84067409. The reversal of 84067402 is 20476048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 28847641 = 7431^2 + 5371^2 .

It is not an unprimeable number, because it can be changed into a prime (84067409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016849 + ... + 21016852.

Almost surely, 2^84067402 is an apocalyptic number.

84067402 is a deficient number, since it is larger than the sum of its proper divisors (42033704).

84067402 is a wasteful number, since it uses less digits than its factorization.

84067402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42033703.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 84067402 is about 9168.8277331402. The cubic root of 84067402 is about 438.0690209057.

The spelling of 84067402 in words is "eighty-four million, sixty-seven thousand, four hundred two".