67601490 has 64 divisors (see below), whose sum is σ = 178561152. Its totient is φ = 16378560.

The previous prime is 67601489. The next prime is 67601491. The reversal of 67601490 is 9410676.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67601489) and next prime (67601491).

It is a super-2 number, since 2×67601490² = 9139922900440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67601491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39084 + ... + 40776.

It is an arithmetic number, because the mean of its divisors is an integer number (2790018).

Almost surely, 2^67601490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67601490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280576).

67601490 is an abundant number, since it is smaller than the sum of its proper divisors (110959662).

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

67601490 is a wasteful number, since it uses less digits than its factorization.

67601490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 67601490 is about 8222.0125273561. The cubic root of 67601490 is about 407.3666041852.

The spelling of 67601490 in words is "sixty-seven million, six hundred one thousand, four hundred ninety".