72514154 has 8 divisors (see below), whose sum is σ = 111711108. Its totient is φ = 35277120.

The previous prime is 72514121. The next prime is 72514157. The reversal of 72514154 is 45141527.

It can be written as a sum of positive squares in 2 ways, for example, as 61984129 + 10530025 = 7873^2 + 3245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72514157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489887 + ... + 490034.

Almost surely, 2^72514154 is an apocalyptic number.

72514154 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72514154 is a deficient number, since it is larger than the sum of its proper divisors (39196954).

72514154 is a wasteful number, since it uses less digits than its factorization.

72514154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979960.

The product of its digits is 5600, while the sum is 29.

The square root of 72514154 is about 8515.5242938999. The cubic root of 72514154 is about 417.0046791777.

The spelling of 72514154 in words is "seventy-two million, five hundred fourteen thousand, one hundred fifty-four".