62440072 has 8 divisors (see below), whose sum is σ = 117075150. Its totient is φ = 31220032.

The previous prime is 62440069. The next prime is 62440087. The reversal of 62440072 is 27004426.

It can be written as a sum of positive squares in only one way, i.e., 56160036 + 6280036 = 7494^2 + 2506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3902497 + ... + 3902512.

Almost surely, 2^62440072 is an apocalyptic number.

It is an amenable number.

62440072 is a deficient number, since it is larger than the sum of its proper divisors (54635078).

62440072 is a wasteful number, since it uses less digits than its factorization.

62440072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805015 (or 7805011 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 62440072 is about 7901.9030619212. The cubic root of 62440072 is about 396.7233827368.

Adding to 62440072 its reverse (27004426), we get a palindrome (89444498).

The spelling of 62440072 in words is "sixty-two million, four hundred forty thousand, seventy-two".