74629020 has 96 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 18557440.

The previous prime is 74629019. The next prime is 74629021. The reversal of 74629020 is 2092647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74629019) and next prime (74629021).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74629021) 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, 55921 + ... + 57239.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^74629020 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 74629020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).

74629020 is an abundant number, since it is smaller than the sum of its proper divisors (148905060).

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

74629020 is a wasteful number, since it uses less digits than its factorization.

74629020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 74629020 is about 8638.8089456823. The cubic root of 74629020 is about 421.0198571474.

The spelling of 74629020 in words is "seventy-four million, six hundred twenty-nine thousand, twenty".