84721514 has 4 divisors (see below), whose sum is σ = 127082274. Its totient is φ = 42360756.

The previous prime is 84721493. The next prime is 84721519. The reversal of 84721514 is 41512748.

It is a happy number.

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., 70845889 + 13875625 = 8417^2 + 3725^2 .

It is not an unprimeable number, because it can be changed into a prime (84721519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180377 + ... + 21180380.

Almost surely, 2^84721514 is an apocalyptic number.

84721514 is a deficient number, since it is larger than the sum of its proper divisors (42360760).

84721514 is a wasteful number, since it uses less digits than its factorization.

84721514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42360759.

The product of its digits is 8960, while the sum is 32.

The square root of 84721514 is about 9204.4290425860. The cubic root of 84721514 is about 439.2022632246.

The spelling of 84721514 in words is "eighty-four million, seven hundred twenty-one thousand, five hundred fourteen".