62749890 has 288 divisors, whose sum is σ = 215115264. Its totient is φ = 13063680.

The previous prime is 62749877. The next prime is 62749901. The reversal of 62749890 is 9894726.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2024175 + ... + 2024205.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 2^62749890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62749890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107557632).

62749890 is an abundant number, since it is smaller than the sum of its proper divisors (152365374).

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

62749890 is a wasteful number, since it uses less digits than its factorization.

62749890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 62749890 is about 7921.4828157360. The cubic root of 62749890 is about 397.3784605279.

The spelling of 62749890 in words is "sixty-two million, seven hundred forty-nine thousand, eight hundred ninety".