62991040 has 112 divisors (see below), whose sum is σ = 174613824. Its totient is φ = 21196800.

The previous prime is 62991037. The next prime is 62991109. The reversal of 62991040 is 4019926.

It is a happy number.

62991040 is nontrivially palindromic in base 3.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×62991040² = 7935742240563200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 62990993 and 62991011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136410 + ... + 136870.

It is an arithmetic number, because the mean of its divisors is an integer number (1559052).

Almost surely, 2^62991040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87306912).

62991040 is an abundant number, since it is smaller than the sum of its proper divisors (111622784).

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

62991040 is a wasteful number, since it uses less digits than its factorization.

62991040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 62991040 is about 7936.6894861775. The cubic root of 62991040 is about 397.8868562167.

The spelling of 62991040 in words is "sixty-two million, nine hundred ninety-one thousand, forty".