70473900 has 144 divisors (see below), whose sum is σ = 239595776. Its totient is φ = 15655680.

The previous prime is 70473877. The next prime is 70473901. The reversal of 70473900 is 937407.

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 (70473901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77247 + ... + 78153.

Almost surely, 2^70473900 is an apocalyptic number.

70473900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70473900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119797888).

70473900 is an abundant number, since it is smaller than the sum of its proper divisors (169121876).

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

70473900 is a wasteful number, since it uses less digits than its factorization.

70473900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70473900 is about 8394.8734356153. The cubic root of 70473900 is about 413.0564757723.

The spelling of 70473900 in words is "seventy million, four hundred seventy-three thousand, nine hundred".